Home / 14,772.51-20,388.15-8,723.88

Finding the Fourth Proportional to 14,772.51, 20,388.15 and 8,723.88

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Solution

The fourth proportional to 14,772.51, 20,388.15 and 8,723.88 is: 12,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.51 : 20,388.15 = 8,723.88 : x
  2. Step 2: Convert to fraction form
    14,772.51/20,388.15 = 8,723.88/x
  3. Step 3: Cross multiply
    14,772.51x = 20,388.15 × 8,723.88
  4. Step 4: Simplify right side
    14,772.51x = 177,863,774.02
  5. Step 5: Solve for x
    x = 177,863,774.02/14,772.51
  6. Step 6: Final answer
    x = 12,040.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.